#include "stdafx.h"
#include "flare.h"
#include "player_hud.h"
#include "xrEngine/LightAnimLibrary.h"

void CFlare::Load(LPCSTR section)
{
	inherited::Load			(section);
	m_work_time_sec			= pSettings->r_float(section, "work_time_sec");
}

BOOL CFlare::net_Spawn(CSE_Abstract* DC)
{
	inherited::net_Spawn	(DC);
	SwitchState				(eFlareHidden);
	m_pFlareParticles		= NULL;
	return					TRUE;
}

void CFlare::net_Destroy()
{
	inherited::net_Destroy	();
}

void CFlare::UpdateXForm()
{}

void CFlare::ActivateFlare()
{
	VERIFY						( !IsFlareActive() );
	SwitchState					(eFlareShowing);
	SwitchOn					();
}

bool CFlare::IsFlareActive()
{
	if ( NULL==HudItemData() )	return false;

	VERIFY( g_player_hud->attached_item(HudItemData()->m_attach_place_idx)==HudItemData() );

	return ( GetState()==eFlareIdle );
}

void CFlare::OnStateSwitch(u32 S)
{
	inherited::OnStateSwitch(S);

	switch(S)
	{
	case eFlareShowing:
		{
			g_player_hud->attach_item	(this);
			PlayHUDMotion				("anm_show", TRUE, this, GetState());
			SetPending					(TRUE);
		}break;
	case eFlareHiding:
		{
			PlayHUDMotion				("anm_hide", TRUE, this, GetState());
			SetPending					(TRUE);
		}break;
	case eFlareIdle:
		{
			light_lanim					= LALib.FindItem("flare_lanim_idle");
			SetPending					(FALSE);
		}break;
	case eFlareHidden:
		{
			SetPending					(FALSE);
		}break;
	case eFlareDropping:
		{
			PlayHUDMotion				("anm_drop", TRUE, this, GetState());
			SetPending					(TRUE);
		}break;
	};
}

void CFlare::OnAnimationEnd(u32 state)
{
	switch (state)
	{
	case eFlareShowing:
		{
			SwitchState					(eFlareIdle);
			PlayAnimIdle				();
		}break;
	case eFlareDropping:
		{
			SetDropManual				(TRUE);
			SwitchState					(eFlareHidden);
			processing_activate			();
		}break;
	};
}

void CFlare::SwitchOn()
{
	static int lt				= 1; //IRender_Light::POINT
	static bool ls				= true;
	light_render				= ::Render->light_create();
	light_render->set_type		( (IRender_Light::LT)lt);
	light_render->set_shadow	(ls);
	light_lanim					= LALib.FindItem("flare_lanim_showing");

	light_render->set_active	(true);

	m_pFlareParticles			= CParticlesObject::Create(pSettings->r_string(cNameSect(), "working_particles"), FALSE);
	m_pFlareParticles->Play		(true);

}

void CFlare::SwitchOff()
{
	SetCondition				(0.0f);
	light_render.destroy		();
	CParticlesObject::Destroy	(m_pFlareParticles);
	processing_deactivate		();
}

void CFlare::DropFlare()
{
	if(GetState()!=eFlareHidden)
		SwitchState					(eFlareDropping);
}

void CFlare::UpdateCL()
{
	inherited::UpdateCL();

	if( light_render /* && HudItemData()*/ )
	{
		float _c 				= CurrStateTime()/1000.0f;
		if(fsimilar(_c,m_work_time_sec)||_c>m_work_time_sec)
		{
			SwitchOff			();
			return				;
		}
		if(_c+2.0f > m_work_time_sec) //2sec
		{
			DropFlare			();
		}

		int						frame;
		Fcolor					fclr;

		float fBrightness		= 1.0f - powf(_c/m_work_time_sec, 4.0f);

		SetCondition			(1.0f - _c/m_work_time_sec);

		u32 clr					= light_lanim->CalculateBGR(Device.fTimeGlobal,frame); 
		
		fclr.set				((float)color_get_B(clr),(float)color_get_G(clr),(float)color_get_R(clr),1.f);
		fclr.mul_rgb			(fBrightness/255.f);
		
		fclr.set				(1,1,1,1);
		
		light_render->set_color	(fclr);

		Fvector							_fp;
		FirePoint						(_fp);
		light_render->set_position		(_fp);
		
		Fmatrix							pm;
		ParticlesMatrix					(pm);

		m_pFlareParticles->UpdateParent	(pm, Fvector().set(0.f,0.f,0.f));

	}
}

void CFlare::FirePoint(Fvector& _fp)
{
	if(HudItemData())
	{
		firedeps						_current_firedeps;
		HudItemData()->setup_firedeps	(_current_firedeps);
		_fp.set							(_current_firedeps.vLastFP);
	}else
	{
		_fp.set							(0,0,0);
		IKinematics* K					= smart_cast<IKinematics*>(Visual());
		Fmatrix& fire_mat				= K->LL_GetTransform(K->LL_BoneID("flare_point"));
		fire_mat.transform_tiny			(_fp);
		XFORM().transform_tiny			(_fp);
	}
}

void CFlare::ParticlesMatrix(Fmatrix& _pm)
{
	if(HudItemData())
	{
		firedeps						_current_firedeps;
		HudItemData()->setup_firedeps	(_current_firedeps);
		_pm.set							(_current_firedeps.m_FireParticlesXForm);
		_pm.c.set						(_current_firedeps.vLastFP);
	}else
	{
		Fvector							_pd;
		_pd.set							(0.f,0.f,1.f);
		XFORM().transform_dir			(_pd);

		_pm.identity					();
		_pm.k.set						(_pd);
		Fvector::generate_orthonormal_basis_normalized	(	_pm.k, _pm.j, _pm.i);
		FirePoint						(_pm.c);
	}
}
